Home / 1,389,622,206.70-2,084,500,344.03-456,924,404.62

Finding the Fourth Proportional to 1,389,622,206.70, 2,084,500,344.03 and 456,924,404.62

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Solution

The fourth proportional to 1,389,622,206.70, 2,084,500,344.03 and 456,924,404.62 is: 685,408,648.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,622,206.70 : 2,084,500,344.03 = 456,924,404.62 : x
  2. Step 2: Convert to fraction form
    1,389,622,206.70/2,084,500,344.03 = 456,924,404.62/x
  3. Step 3: Cross multiply
    1,389,622,206.70x = 2,084,500,344.03 × 456,924,404.62
  4. Step 4: Simplify right side
    1,389,622,206.70x = 952,459,078,626,092,928
  5. Step 5: Solve for x
    x = 952,459,078,626,092,928/1,389,622,206.70
  6. Step 6: Final answer
    x = 685,408,648.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.